Calconcarboxylic acid

• Catalog No.: 21260
• CAS Number: 3737-95-9
• M. F.: C21H14N2O7S
• M. W.: 438.41006

SYNONYMS

• Title: 钙羧酸
• IUPAC name: 3-hydroxy-4-[2-(2-hydroxy-4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-2-carboxylic acid
• IUPAC Traditional name: 3-hydroxy-4-[2-(2-hydroxy-4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-2-carboxylic acid
• Synonyms: 2-羟基-1-(2-羟基-4-磺基-1-萘偶氮)-3-萘甲酸; Patton 和 Reeder 试剂; Cal-Red®; 3-羟基-4-(2-羟基-4-磺基-1-萘偶氮)萘-2-羧酸; 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid; 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid; Patton and Reeder’s reagent

DATABASE IDS

• EC Number: 223-117-0
• PubChem SID: 24852736
• CAS Number: 3737-95-9
• MDL Number: MFCD00004078
• Beilstein Number: 727492

PROPERTIES

• Empirical Formula (Hill Notation): C21H14N2O7S
• Grade: for complexometry
• Grade: indicator for complexometry (Ca det., Mg detection)
• Impurities: ≤7% water
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• German water hazard class: 3

DETAILS

Description (English)

General description
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Other Notes
Indicator used for the complexometric determination of Ca in the presence of Mg and other metals1,2
Legal Information
Cal-Red is a registered trademark of Sigma-Aldrich Co. LLC

Description (简体中文)

General description
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Other Notes
Indicator used for the complexometric determination of Ca in the presence of Mg and other metals1,2
法律信息
Cal-Red 注册商标 Sigma-Aldrich Co. LLC